php openssl_sign key type not supported in this PHP

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php openssl_sign key type not supported in this PHP



I have a method that works on my local server which uses the latest php. However, when I uploaded to our production server which uses a lower version of php, I'm getting an error


Warning: openssl_sign() [function.openssl-sign]: key type not supported in this PHP build!



Here is the line of the code that's cause the problem.


if(!openssl_sign($payload, $result, $key, OPENSSL_ALGO_SHA256))
return false;



Is there an equivalent method for this in an earlier version? Thanks.





What type of key are you using, and which version of PHP? Possible duplicate of PHP openssl_sign() ecparam key type not supported in this PHP build
– Reinier Torenbeek
Aug 13 at 20:21










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